Odpowiedź :
Odpowiedź:
[tex](\sqrt{2}+3)(\sqrt{2}-1) = \sqrt{2}\cdot\sqrt{2}-\sqrt{2}+3\sqrt{2}-3 = 2+2\sqrt{2}-3 = 2\sqrt{2}-1[/tex]
Odpowiedź:
[tex](\sqrt{2}+3)(\sqrt{2}-1) = \sqrt{2}\cdot\sqrt{2}-\sqrt{2}+3\sqrt{2}-3 = 2+2\sqrt{2}-3 = 2\sqrt{2}-1[/tex]